Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2012 YIXIA.COM
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Arrays;
import java.util.Iterator;

public class Main {
    public static String join(Object[] elements, CharSequence separator) {
        return join(Arrays.asList(elements), separator);
    }

    public static String join(Iterable<? extends Object> elements, CharSequence separator) {
        StringBuilder builder = new StringBuilder();

        if (elements != null) {
            Iterator<? extends Object> iter = elements.iterator();
            if (iter.hasNext()) {
                builder.append(String.valueOf(iter.next()));
                while (iter.hasNext()) {
                    builder.append(separator).append(String.valueOf(iter.next()));
                }
            }
        }

        return builder.toString();
    }
}